#include <stdio.h>

/*谁在说谎*/

void main ()
{
    int a,b,c;
    for(a=0;a<=1;a++)
        for(b=0;b<=1;b++)
            for(c=0;c<=1;c++)
               if((a&&!b||!a&&b)
                   &&(b&&!c||!b&&c)
                   &&(c&&a+b==0||!c&&a+b!=0))
                { printf("Zhangsan told a %s.\n",a?"truth":"lie");
                printf("lisi told a %s.\n",b?"truth":"lie");
                printf("Wangwu told a %s.\n",c?"truth":"lie");
                }

}